Home / 1,640,156.67-2,263,417.17-915,004.39

Finding the Fourth Proportional to 1,640,156.67, 2,263,417.17 and 915,004.39

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Solution

The fourth proportional to 1,640,156.67, 2,263,417.17 and 915,004.39 is: 1,262,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,156.67 : 2,263,417.17 = 915,004.39 : x
  2. Step 2: Convert to fraction form
    1,640,156.67/2,263,417.17 = 915,004.39/x
  3. Step 3: Cross multiply
    1,640,156.67x = 2,263,417.17 × 915,004.39
  4. Step 4: Simplify right side
    1,640,156.67x = 2,071,036,646,951.38
  5. Step 5: Solve for x
    x = 2,071,036,646,951.38/1,640,156.67
  6. Step 6: Final answer
    x = 1,262,706.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.